Finding the Fourth Proportional to 4,981,183,271.56, 6,874,114,582.26 and 2,974,193,788.60
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Solution
The fourth proportional to 4,981,183,271.56, 6,874,114,582.26 and 2,974,193,788.60 is: 4,104,436,190.78
Step by Step Solution
- Step 1: Write the proportion equation
4,981,183,271.56 : 6,874,114,582.26 = 2,974,193,788.60 : x - Step 2: Convert to fraction form
4,981,183,271.56/6,874,114,582.26 = 2,974,193,788.60/x - Step 3: Cross multiply
4,981,183,271.56x = 6,874,114,582.26 × 2,974,193,788.60 - Step 4: Simplify right side
4,981,183,271.56x = 20,444,948,892,682,375,168 - Step 5: Solve for x
x = 20,444,948,892,682,375,168/4,981,183,271.56 - Step 6: Final answer
x = 4,104,436,190.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.